<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31304735</termId><termName>cupellation</termName><termType>PT</termType><termNote><![CDATA[ Process of refining precious metals like gold and silver; the impurities are oxidized and partly absorbed into the cupel. ]]></termNote><termCreatedDate>2026-03-30 20:21:57</termCreatedDate><relation><relationType>UF</relationType><termId>31304736</termId><termName>cupelling</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31298688</termId><termName>physicochemical processes</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31356595</termId><termName>cupels</termName><termType>PT</termType></relation></term>  </Zthes>